Product Description Discover the ultimate ride with our Transition Sentinel Alloy mountain bike frame, engineered for both men and women who demand the best in all-mountain and MTB performance. This frame is designed to accommodate a 1 1/8" - 1.5" tapered steerer tube, ensuring a perfect balance of strength and agility on rugged terrains. Constructed from high-quality aluminum, the frame and rear triangle offer unmatched durability and responsiveness. The frame's geometry is optimized for a rear shock with 60mm of travel, featuring a Trunnion mount system for a smooth and reliable suspension experience. It supports a maximum disc brake size of 223mm at the rear, allowing for powerful and controlled braking in all conditions. With no front derailleur mount, this frame is tailored for a 1x drivetrain setup, supporting a maximum chainring size of 34T, ensuring a clean and efficient pedaling experience. The frame is compatible with both 29" and 27.5" wheels, thanks to its Boost standard (12 x 148 mm) rear spacing, providing flexibility and optimal performance across different wheel sizes. The maximum tire size accommodated is 29 x 2.5", allowing for ample traction and comfort on the trails. Additionally, the frame features a BSA bottom bracket standard and a seatpost diameter of 31.6 mm, catering to a wide range of component choices. Whether you're climbing steep hills or descending technical trails, this frame is built to elevate your mountain biking adventures. Product Specifications: Application:All Mountain, MTB Brake Type:disc Housing Width:73 mm seat clamp type:Bolt Rear triangle material:Aluminium Wheel size:27,5", 29" Frame material:Aluminum Gender:Women's, Men´s Technical Information: Shock Length:205 mm Shock Travel:60 mm Seatpost diameter:31,6 mm Brake Mount:Disc PM7 (Direct Mount 180 mm) Shock Mount Width:30 x 8 mm Wheel Standard:12 x 148 mm (Boost) Recommended Steerer Tube:1 1/8" - 1,5" tapered Rear Shock Mount:Trunnion Mount Front Derailleur Mount:No Front Derailleur Mount Possible Bottom bracket standard:BSA deep purple | XS: Clamp Diameter:34,9 mm deep purple | S: Clamp Diameter:34,9 mm deep purple | M: Clamp Diameter:34,9 mm deep purple | L: Clamp Diameter:34,9 mm deep purple | XL: Clamp Diameter:34,9 mm deep purple | XXL: Clamp Diameter:34,9 mm graphite grey | XS: Clamp Diameter:34,9 mm graphite grey | S: Clamp Diameter:34,9 mm graphite grey | M: Clamp Diameter:34,9 mm graphite grey | L: Clamp Diameter:34,9 mm graphite grey | XL: Clamp Diameter:34,9 mm graphite grey | XXL: Clamp Diameter:34,9 mm Approved For: Max. Chainring Size:1x 34T Max Tire Size Rear:29 x 2,5" Max. Disc Brake Size Rear:223 mm Chainring Count Compatibility:1x Product Features: - High-performance all-mountain MTB frame designed for both men and women, featuring aluminum construction for durability and lightweight performance. - Accommodates a 1 1/8" - 1.5" tapered steerer tube, ensuring compatibility with a wide range of forks for precision steering and control. - Equipped with a Trunnion mount rear shock with 60mm of travel, providing plush suspension to tackle rough terrain. - Supports up to 223mm rear disc brake size for exceptional stopping power and control on steep descents and technical trails. - Designed for 1x drivetrains with a maximum chainring size of 34T, catering to modern mountain biking standards for simplicity and efficiency. - Wheel size 29" (S-XXL) and 27.5" (XS), featuring Boost spacing (12 x 148 mm) for improved wheel stiffness and handling, and accommodates up to 29 x 2.5" rear tire size for versatile terrain adaptability. Geometry: deep purple | XS: Head Tube Angle:64 Stack:592 mm Wheelbase:1171 mm Reach:415 mm Chainstay Length:434 mm Seat Tube Angle:79.2 BB Drop:15 mm Bottom Bracket Height:340 mm Recommended Rider Height:145 - 158 cm Head Tube Length:100 mm Seat Tube Length:360 mm Effective Top Tube Length:527 mm deep purple | S: Head Tube Angle:64 Stack:615 mm,618 mm Wheelbase:1208 mm Reach:430 mm,426 mm Chainstay Length:442 mm,440 mm Seat Tube Angle:78.7 BB Drop:25 mm,11 mm Seat Tube Length:360 mm Head Tube Length:100 mm Recommended Rider Height:158 - 168 cm Effective Top Tube Length:549 mm deep purple | M: Head Tube Angle:64 Stack:621 mm,624 mm Wheelbase:1237 mm Reach:455 mm,451 mm Chainstay Length:442 mm,440 mm Seat Tube Angle:77.9 BB Drop:25 mm,11 mm Seat Tube Length:390 mm Head Tube Length:110 mm Recommended Rider Height:168 - 178 cm Effective Top Tube Length:586 mm deep purple | L: Head Tube Angle:64 Stack:633 mm,636 mm Wheelbase:1271 mm Reach:480 mm,476 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:77.3 BB Drop:5 mm,11 mm Seat Tube Length:430 mm Head Tube Length:120 mm Recommended Rider Height:178 - 188 cm Effective Top Tube Length:614 mm deep purple | XL: Head Tube Angle:64 Stack:642 mm,646 mm Wheelbase:1300 mm Reach:505 mm,501 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:76.8 BB Drop:25 mm,11 mm Seat Tube Length:460 mm Head Tube Length:130 mm Recommended Rider Height:188 - 198 cm Effective Top Tube Length:642 mm deep purple | XXL: Head Tube Angle:64 Stack:651 mm,655 mm Wheelbase:1330 mm Reach:530 mm,526 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:76.5 BB Drop:25 mm,11 mm Seat Tube Length:490 mm Head Tube Length:140 mm Recommended Rider Height:193 - 203 cm Effective Top Tube Length:670 mm graphite grey | XS: Head Tube Angle:64 Stack:592 mm Wheelbase:1171 mm Reach:415 mm Chainstay Length:434 mm Seat Tube Angle:79.2 BB Drop:15 mm Seat Tube Length:360 mm Head Tube Length:100 mm Bottom Bracket Height:340 mm Recommended Rider Height:145 - 158 cm Effective Top Tube Length:527 mm graphite grey | S: Head Tube Angle:64 Stack:615 mm,618 mm Wheelbase:1208 mm Reach:430 mm,426 mm Chainstay Length:442 mm,440 mm Seat Tube Angle:78.7 BB Drop:25 mm,11 mm Seat Tube Length:360 mm Head Tube Length:100 mm Recommended Rider Height:158 - 168 cm Effective Top Tube Length:549 mm graphite grey | M: Head Tube Angle:64 Stack:621 mm,624 mm Wheelbase:1237 mm Reach:455 mm,451 mm Chainstay Length:442 mm,440 mm Seat Tube Angle:77.9 BB Drop:25 mm,11 mm Seat Tube Length:390 mm Head Tube Length:110 mm Recommended Rider Height:168 - 178 cm Effective Top Tube Length:586 mm graphite grey | L: Head Tube Angle:64 Stack:633 mm,636 mm Wheelbase:1271 mm Reach:480 mm,476 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:77.3 BB Drop:25 mm,11 mm Seat Tube Length:430 mm Head Tube Length:120 mm Recommended Rider Height:178 - 188 cm Effective Top Tube Length:614 mm graphite grey | XL: Head Tube Angle:64 Stack:642 mm,646 mm Wheelbase:1300 mm Reach:505 mm,501 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:76.8 BB Drop:25 mm,11 mm Seat Tube Length:460 mm Head Tube Length:130 mm Recommended Rider Height:188 - 198 cm Effective Top Tube Length:642 mm graphite grey | XXL: Head Tube Angle:64 Stack:651 mm,655 mm Wheelbase:1330 mm Reach:530 mm,526 mm Chainstay Length:446 mm,444 mm Seat Tube Angle:76.5 BB Drop:25 mm,11 mm Seat Tube Length:490 mm Head Tube Length:140 mm Recommended Rider Height:193 - 203 cm Effective Top Tube Length:670 mm Manufacturer Number: deep purple | XS: 01-25-10-4210 deep purple | S: 01-25-10-4213 deep purple | M: 01-25-10-4216 deep purple | L: 01-25-10-4219 deep purple | XL: 01-25-10-4222 deep purple | XXL: 01-25-10-4225 graphite grey | XS: 01-25-10-4211 graphite grey | S: 01-25-10-4214 graphite grey | M: 01-25-10-4217 graphite grey | L: 01-25-10-4220 graphite grey | XL: 01-25-10-4223 graphite grey | XXL: 01-25-10-4226 Contents: 1 x Transition Sentinel Aluminum Frame 1 x RockShox Super Deluxe Ultimate shock 205 x 60 mm 1 x seatpost clamp Manufacturer: Transition Bike Company 1600 Carolina St. Bellingham WA 98229 USA info@transitionbikes.com Distributor: bc GmbH Carlo-Schmid-Straße 12 52146 Würselen Germany info@bike-components.de